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3 yr. ago

  • Look at big shot over here with $1000 and an expectation of retiring.

  • It's an interesting metaphor and makes for a good read.

  • Not a scientist, but if time were expanding I'm not sure how you would notice that subjectively. I imagine it would be like black hole time dilation. You'd still experience things at 1 sec per sec, it's just that your second is longer than an outside observer. But that's a wild guess by a relative idiot. Hopefully soon to be corrected.

  • It's not a monopoly, but it is a cartel.

  • ABSTRACT

    Chemodynamic therapy (CDT) is an emerging cancer treatment that employs transition metal–based nanoagents to catalyze the conversion of elevated intracellular hydrogen peroxide in malignant cells into cytotoxic hydroxyl radicals (•OH) via Fenton-like reactions. Recent developments have also introduced CDT agents that generate singlet oxygen (1O2) through the Russell mechanism. However, current nanoplatforms efficiently produce either •OH or 1O2, but not both, and often exhibit suboptimal catalytic activity, thereby limiting the sufficient production of reactive oxygen species (ROS) required for cancer eradication. This report introduces a ferrous metal–organic framework, Fe(II)-TCPP (tetrakis(4-carboxyphenyl)porphyrin), as the first nanoagent capable of simultaneously and effectively generating •OH and 1O2 through dual catalytic pathways. Its nanoneedle-like morphology increases the surface area and promotes enhanced ROS production. Cell studies demonstrated selective intracellular generation of •OH and 1O2 in cancer cells, resulting in targeted cytotoxicity while sparing non-malignant cells. Systemic administration of Fe(II)-TCPP in a breast cancer mouse model resulted in preferential tumor accumulation, robust intratumoral ROS generation, cancer eradication, and prevention of recurrence without systemic toxicity. These findings mark a foundational advance in CDT nanoagents by integrating Fenton and Russell mechanisms into a single platform, enabling the design of multifunctional catalysts with enhanced ROS output and therapeutic efficacy.

  • ABSTRACT

    Chemodynamic therapy (CDT) is an emerging cancer treatment that employs transition metal–based nanoagents to catalyze the conversion of elevated intracellular hydrogen peroxide in malignant cells into cytotoxic hydroxyl radicals (•OH) via Fenton-like reactions. Recent developments have also introduced CDT agents that generate singlet oxygen (1O2) through the Russell mechanism. However, current nanoplatforms efficiently produce either •OH or 1O2, but not both, and often exhibit suboptimal catalytic activity, thereby limiting the sufficient production of reactive oxygen species (ROS) required for cancer eradication. This report introduces a ferrous metal–organic framework, Fe(II)-TCPP (tetrakis(4-carboxyphenyl)porphyrin), as the first nanoagent capable of simultaneously and effectively generating •OH and 1O2 through dual catalytic pathways. Its nanoneedle-like morphology increases the surface area and promotes enhanced ROS production. Cell studies demonstrated selective intracellular generation of •OH and 1O2 in cancer cells, resulting in targeted cytotoxicity while sparing non-malignant cells. Systemic administration of Fe(II)-TCPP in a breast cancer mouse model resulted in preferential tumor accumulation, robust intratumoral ROS generation, cancer eradication, and prevention of recurrence without systemic toxicity. These findings mark a foundational advance in CDT nanoagents by integrating Fenton and Russell mechanisms into a single platform, enabling the design of multifunctional catalysts with enhanced ROS output and therapeutic efficacy.

  • “At this scale, downstream risks include account takeovers, targeted phishing, credit fraud, SIM swaps, and long-tail privacy harms. Industry-wide, the case underlines how third-party identity vendors have become critical infrastructure and can become single points of catastrophic failure,” our team explained."

    Wouldn't Username + Password + SIM = 2FA password reset?

    • colorectal
    • cervical
    • pancreatic
    • prostate
    • kidney
    • myeloma
  • Same costume designer from The Cell (2000). Beautiful movie. Wicked costumes.

  • I have an announcement play every 30 minutes to yell at me in a harsh voice "Drink Water God Damn It!" I forget to hydrate a lot. I've tried many other reminders, but none of them worked well. Turns out I just need someone to yell at me.

  • God Damned, that is pure fucking evil. Like, I can't even... Just literal evil.

  • How's this compare to Obsidian or Joplin?

  • "Unicorn Jelly is a philosophical science fiction manga strip which tells a metaphoric and purposeful story with a definitive beginning and ending. It was published every weekday at Midnight from 2000 to 2003."

  • Seconded. If true, my paranoia will be justified and prove to be woefully insufficient.

  • I miss the old days of DA. Countless hours of scrolling to find the perfect wallpaper or art for my TTRPG games. Now I mostly use Patreon or occasionally ArtStation. But it not the same.

  • Every moment I spend with you is better than the next.

  • Thank you for sharing. I can relate.

    I'm fortunate that we've been together for nearly 20 years. It has taken work, but recognizing the pattern been a key insight.

  • This is what I call "Aspiesplaining". I do this way too often and it's nearly cost me my marriage. But damn, it just seems so natural.

  • Off My Chest @lemmy.world

    I just discovered my wife's secret credit debit